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Energies 2017, 10(3), 271; doi:10.3390/en10030271

Fuzzy Logic-Based Operation of Battery Energy Storage Systems (BESSs) for Enhancing the Resiliency of Hybrid Microgrids

Department of Electrical Engineering, Incheon National University, 12-1 Songdo-dong, Yeonsu-gu, Incheon 406840, Korea
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Academic Editor: Stefan Gößling-Reisemann
Received: 14 December 2016 / Revised: 9 February 2017 / Accepted: 21 February 2017 / Published: 24 February 2017
(This article belongs to the Special Issue Resilience of Energy Systems 2017)
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Abstract

The resiliency of power systems can be enhanced during emergency situations by using microgrids, due to their capability to supply local loads. However, precise prediction of disturbance events is very difficult rather the occurrence probability can be expressed as, high, medium, or low, etc. Therefore, a fuzzy logic-based battery energy storage system (BESS) operation controller is proposed in this study. In addition to BESS state-of-charge and market price signals, event occurrence probability is taken as crisp input for the BESS operation controller. After assessing the membership levels of all the three inputs, BESS operation controller decides the operation mode (subservient or resilient) of BESS units. In subservient mode, BESS is fully controlled by an energy management system (EMS) while in the case of resilient mode, the EMS follows the commands of the BESS operation controller for scheduling BESS units. Therefore, the proposed hybrid microgrid model can operate in normal, resilient, and emergency modes with the respective objective functions and scheduling horizons. Due to the consideration of resilient mode, load curtailment can be reduced during emergency operation periods. Numerical simulations have demonstrated the effectiveness of the proposed strategy for enhancing the resiliency of hybrid microgrids. View Full-Text
Keywords: battery energy storage system (BESS); BESS operation modes; fuzzy logic; hybrid microgrid; microgrid operation; microgrid resiliency battery energy storage system (BESS); BESS operation modes; fuzzy logic; hybrid microgrid; microgrid operation; microgrid resiliency
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Hussain, A.; Bui, V.-H.; Kim, H.-M. Fuzzy Logic-Based Operation of Battery Energy Storage Systems (BESSs) for Enhancing the Resiliency of Hybrid Microgrids. Energies 2017, 10, 271.

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